Flat Idler / Exmark 109-4077Pack Size:1Exmark 109-4077, Hustler 784827NHC 276-9480, Rotary 12298Exmark Quest; Hustler Fas Track and Mini Fas TrackIdler E: N/A ", Idler F: N/A ", Idler H: N/A ", Idler K: 3/4 ", Idler V: 1 1/16 ", ID: 11/16 ", Material: Plastic, For explanation of letters please refer to the drawing by clicking on More Info, Idler C: 11/16 ", OD: 4 5/8 ", Idler B: 3 7/8 ", Height: 1 1/16 ", Idler A: 4 5/8 "